Develop a PL/SQL block that would go through all the employees from EMPLOYEES table who work in department id= 90 (there is suppose to be 3 employee who work in Department 90)e IN BEGIN END END SECTION; Execute 3 separate of SELECT statement one after the other. Each SELECT will pull first name. salary of each employee and store them in local variables.
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- Create a PL/SQL database programming block with DECLARE BEGIN END; In Declare section define a local scalar (simple) variables. lv_deptno NUMBER And assign initial values as 10 lv_deptno NUMBER := 50; In Declare section again, define a cursor and select last_name, salary and manager_id of employees the ones who are working in the department defined in a) In this example department will be lv_deptno:=50; Sample code: Cursor c_emp as SELECT last_name, salary, manager_id FROM employees WHERE department_id = lv_deptno; In the execution section (BEGIN and END) Create CURSOR FOR LOOP for cursor to process In this cursor loop, your code has to check salary and also manager_id numbers each time new records being fetched. And based on these conditions either employee gets raise or not get raise. If employee salary is less than 5000 and also if employees managers is either 101 or 124 then it means employee is due for raise otherwise employee is not due for raise Sample…Write a PL/SQL program with an IMPLICIT cursor that goes through the table KUCERA and measures the length of each word. Then it should insert every word into the correct table. So a word of length 3 letters, such as SHE would go into the table THREEL. All words with more than 5 letters go into the table MORETHANFIVEL.1. Write a PL/SQL program using an explicit cursor that displays all patients PLCO_ID numbers from the colo_proc_data table on the screen if the patients’ procedure is biopsy, the procedure is staging, interval status of linked cancer is never screened, the procedure type is invasive Scopes, biopsies, & surgeries, the procedure type is Lymphadenectomy/Lymph Node Sampling, and the procedure result is abnormal, confirmed metastasis.
- 1) Assume the EMPLOYEE table has the following rowsID DEPT SALARY NAME100 SALES 40000 Smith101 RD 38000 Terry102 HR 60000 David103 SALES 58000 Ellie104 RD 70000 Judya) Provide the complete PL/SQL code to implement a Virtual Private Database suchthat an employee could only view the records for employees in the samedepartment while masking coworkers’ salary with NULL.b) Based on the Virtual Private Database you implemented in step a), would anemployee be able to insert, update or delete a record for another employee whoworks in another department? If yes, what might be the potential security risk andhow would you fix the problem by setting up the VPD appropriately?You are working with a database table that contains customer data. The table includes columns about customer location such as city, state, country, and postal_code. The state names are abbreviated. You want to check for state names that are greater than 2 characters long. You write the SQL query below. Add a LENGTH function that will return any state names that are greater than 2 characters long.In the SQL Oracle Application Write one query to return the employee_id, job_id, hire_date, and department_id of all employees and a second query listing employee_id, job_id, start_date, and department_id from the job_history table and combine the results as one single output. Make sure you suppress duplicates in the output.
- SQL Use appropriate clauses and filters to run the query with minimum time complexity. 2. Try to avoid running the queries on unnecessary rows and columns. 3. Share the queries along with a brief description of the code in a python file, so that the results are reproducible. Q1: Write a query to find the students working in a company having more ratings than their seniors EMPLOYEES RATING TABLE student id student name rating senior id designation 1 george 9 3 student 2 micheal 8 4 student 3 mary 6 null senior 4 steve 9 null senior For the above table GEORGE has more rating than his sENIORLet's wa(k through a review of basic SQL syntax, using as an example the database that was mentionedearlier. This database has the following simple structure(* indicates a primary key):Courses: CourseID*, CourseName, TeacherIDTeachers: TeacherID*, TeacherNameStudents; StudentID*, StudentNameStudentCourses: CourseID*, StudentID*Using the above table, implement the following queries.Query 1: Student Enrollment Query 2: Teacher Class SizeSuppose an application programmer was supposed to write a query select * from r natural left outer join s; on relations r(A, B) and s(B, C), but instead wrote the query select * from r natural join s; a. Give sample data for r and s on which both queries would give the same result. b. Give sample data for r and s where the two queries would give different results, thereby exposing the error in the query.
- There's a "friend_requests" table that has a column "action_taken" that displays if the friend request was rejected, requested, or accepted.Implement a SQL query to return the number of "action_taken" that were "accepted".There's a "friend_requests" table that has a column "action_taken" that displays if the friend request was rejected, requested, or accepted.Implement a SQL query to return the percentage of "action_taken" that were "accepted".i wants to insert sucha csv in a table into a sql developer table . population.csv Quebec (Que.),791.9,46.8273212, -71.2349247 Sherbrooke (Que.),210,45.4009928, -71.8824288 Trois Rivieres Quebec,155,46.3432397, -72.5432834 Montreal (Que.),"3981.80",45.491577, -73.64106699999999 ---- so i create a table like this Error starting at line : 2 in command -CREATE TABLE populationtest ( place int AUTO_INCREMENT, Population int DEFAULT 0, lat decimal(6,2) default 0.00, ion decimal(6,2) default 0.00)Error report -ORA-00907: missing right parenthesis00907. 00000 - "missing right parenthesis"*Cause: *Action: whats this error and how could i fix it correct ?